<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        html{
            font-size: 12px;
        }
        body{
            margin: 0;
            padding: 0;
        }
        p{
            margin: 0;
            padding: 0;
            background-color: pink;
            /* font-size: 30px; */
            font-size: 1rem;
            /* line-height: 45px; */
            line-height: 1.5em;
            width: 50%;
            
        }
    </style>
</head>
<body>
    <p>sdfsdfsdsdff</p>
    <p>sdfsdfsdsdff</p>
    <p>sdfsdfsdsdff</p>
</body>
</html>